Today I would not use a simple (cheap) 1GHz VCO anymore because of
the relatively high phase noise, and some if them require up to
20V drive voltage. I would use a Crystal based product such as our
ULN-1G 1GHz crystal oscillator. That part may be overkill since it
has DC-DC regulators, filters, mil-temp range, and a +22dBm
temp-stabilized output amplifier, but its a drop-in replacement
for a VCO. With that part, the loop filter bandwidth can be
reduced to a couple 100Hz to take advantage of the very low PN of
the oscillator.
Said, can you give the url for your ULN-1G 1GHz crystal oscillator? I'm
interested in price and phase noise and how it compares to the Wenzel
products.
Thanks,
Mike
From: Said Jackson
> Today I would not use a simple (cheap) 1GHz VCO anymore because of
> the relatively high phase noise, and some if them require up to
> 20V drive voltage. I would use a Crystal based product such as our
> ULN-1G 1GHz crystal oscillator. That part may be overkill since it
> has DC-DC regulators, filters, mil-temp range, and a +22dBm
> temp-stabilized output amplifier, but its a drop-in replacement
> for a VCO. With that part, the loop filter bandwidth can be
> reduced to a couple 100Hz to take advantage of the very low PN of
> the oscillator.
Said, can you give the url for your ULN-1G 1GHz crystal oscillator? I'm
interested in price and phase noise and how it compares to the Wenzel
products.
Thanks,
Mike
